Windows 10 side scroll not working properly in TortoiseGitMerge

What steps will reproduce the problem?

  1. Open up a diff in TortoiseGitMerge that has long lines so horizontal scroll is enabled.
  2. Try to side scroll with a capable mouse

What is the expected output? What do you see instead?

Expected : The scroll should apply properly on the same scrollbar.

Currently : The scroll is not applied properly to the window and the horizontal scrollbar is replaced with a default styled scrollbar.

What version of TortoiseGit and Git are you using? On what operating system?

  • TortoiseGit 2.10.0.0
  • git version 2.21.0.windows.1
  • Windows 10 Pro 64bits

Please provide any additional information below.

  • You need a side-scrolling capable mouse.
  • You may not reproduce it every time, just close the diff and reopen it and you should have it.

TortoiseGitSideScrollIssue